Finding the Third Proportional to 43,878.50 and 68,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,878.50 : 68,066.50 = 68,066.50 : x
2. Step 2: Convert to fraction form
   43,878.50/68,066.50 = 68,066.50/x
3. Step 3: Cross multiply
   43,878.50x = 68,066.50 × 68,066.50
4. Step 4: Simplify right side
   43,878.50x = 4,633,048,422.25
5. Step 5: Solve for x
   x = 4,633,048,422.25/43,878.50
6. Step 6: Final answer
   x = 105,588.12